<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8" />
    <title>创意登录框</title>
    <link rel="stylesheet" href="style.css" />
  </head>
  <body>
    <div class="container">
      <div class="top"></div>
      <div class="bottom"></div>
      <div class="center">
        <h2>Please Sign In</h2>
        <input type="email" placeholder="email" />
        <input type="password" placeholder="password" />
      </div>
    </div>
  </body>
</html>
